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Patent US4169658A successfully refreshed from Google Patents.
US4169658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picture screen
Assignee: Knox Manufacturing Co
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Filing: 1978-01-24
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Granted: 1979-10-02
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Expires: 1998-01-24
Abstract
Abstract A picture screen comprising an upright standard, a leg unit supporting the standard, a roller adapted to receive a picture screen, a picture screen mounted on the roller and adapted to be unwound from a closed position to an open position, an elongated screen casing for receiving the roller and the screen coupled to the upright standard, and casing extensions integrally formed with the screen casing and each being provided with a speaker mounted therein. The speakers project the sound toward the viewer/listener to provide a lifelike effect with the picture projected on the screen.
Inventors
- 👤 Donald J. Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:26
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/58
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
99 words
A picture screen device, comprising: an elongated hollow casing having two ends and a longitudinally extending slot; an elongated spring-actuated roller journaled in the casing; a flexible screen web secured to the roller and adapted to be unwound from a closed position to an open position, the screen web being wound upon the roller in said closed position and being unwound from the roller in an exposed open position; a hollow speaker housing secured to one end of said casing; a speaker assembly mounted within the speaker housing; and circuit means for transmitting audio signals to said speaker assembly.
Claim 2
Dependent Claim
99 words
A picture screen device, comprising: an elongated hollow casing having two ends and a longitudinally extending slot; an elongated spring-actuated roller journaled in the casing; a flexible screen web secured to the roller and adapted to be unwound from a closed position to an open position, the screen web being wound upon the roller in said closed position and being unwound from the roller in an exposed open position; a hollow speaker housing secured to one end of said casing; a speaker assembly mounted within the speaker housing; and circuit means for transmitting audio signals to said speaker assembly.
Claim 3
Dependent Claim
45 words
The picture screen device of claim 1 further including: a second hollow speaker housing secured to the other end of said casing; a second speaker assembly mounted within the second speaker housing; and second circuit means for transmitting audio signals to said second speaker assembly.
Claim 4
Dependent Claim
20 words
The picture screen device of claim 1 wherein the hollow speaker housing is integrally formed with the elongated hollow casing.
Claim 5
Dependent Claim
22 words
The picture screen device of claim 2 wherein each speaker assembly includes a bearing bracket for receiving said spring-actuated rotatable elongated roller.
Claim 6
Dependent Claim
32 words
The picture screen device of claim 4 wherein each speaker assembly includes a speaker mounted on a rigid frame, and resilient means are disposed between said bearing brackets and said rigid frame.
Claim 7
Dependent Claim
83 words
An elongated picture screen comprising: a roller; a screen mounted on said roller and adapted to be unwound from a closed position to an open position; a screen casing for rotatably receiving said roller; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent one end of the casing; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent the other end of the casing; and speaker means mounted within said speaker housings.
Claim 8
Dependent Claim
83 words
An elongated picture screen comprising: a roller; a screen mounted on said roller and adapted to be unwound from a closed position to an open position; a screen casing for rotatably receiving said roller; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent one end of the casing; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent the other end of the casing; and speaker means mounted within said speaker housings.
Claim 9
Dependent Claim
108 words
A picture screen comprising: an upright standard; a leg unit supporting said standard; a roller adapted to receive a picture screen; a picture screen mounted on said roller and adapted to be unwound from a closed position to an open position; a screen casing for receiving said roller and said screen, said screen casing coupled to said upright standard; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent one end of the casing; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent the other end of the casing; and speaker means mounted within said speaker housings.
Claim 10
Dependent Claim
108 words
A picture screen comprising: an upright standard; a leg unit supporting said standard; a roller adapted to receive a picture screen; a picture screen mounted on said roller and adapted to be unwound from a closed position to an open position; a screen casing for receiving said roller and said screen, said screen casing coupled to said upright standard; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent one end of the casing; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent the other end of the casing; and speaker means mounted within said speaker housings.
Claim 11
Dependent Claim
28 words
The picture screen of claim 7 further including: speaker assembly means secured to said speaker means for receiving said roller and retaining said speaker means within the casing.
Claim 12
Dependent Claim
39 words
The picture screen of claim 7 wherein said screen casing and said extensions are formed from a single piece of sheet metal and said speaker housings are defined by perforations in said sheet metal through which sound can pass.
Claim 13
Dependent Claim
53 words
The picture screen of claim 7 wherein said speaker assembly means includes: an upper flange and a lower flange adapted to be secured to said casing for receiving said speaker means; a bearing bracket coupled to said flanges for receiving said roller, and means for securing the speaker means to the speaker assembly.
Claim 14
Dependent Claim
42 words
The picture screen of claim 10 wherein said means for securing the speaker means to the speaker assembly includes: resilient grommets disposed between said speaker means and said upper and lower flanges; and nut and bolt assemblies for retaining said grommets therebetween.
Claim 15
Dependent Claim
112 words
In a picture screen having an upright standard, a leg unit supporting said standard, a roller on which is mounted a picture screen adapted to be unwound from a closed position to an open position, an elongated screen casing for receiving said roller and said screen, the improvement comprising: a casing extension integrally formed with said screen casing to afford a speaker housing adjacent one end of the casing; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent the other end of the casing, each casing extension including perforations in its screen casing through which sound can pass; and speaker means mounted within said speaker housings.
Claim 16
Dependent Claim
112 words
In a picture screen having an upright standard, a leg unit supporting said standard, a roller on which is mounted a picture screen adapted to be unwound from a closed position to an open position, an elongated screen casing for receiving said roller and said screen, the improvement comprising: a casing extension integrally formed with said screen casing to afford a speaker housing adjacent one end of the casing; a casing extension integrally formed with said screen casing to afford a speaker housing adjacent the other end of the casing, each casing extension including perforations in its screen casing through which sound can pass; and speaker means mounted within said speaker housings.
Claim 17
Dependent Claim
26 words
The elongated picture screen of claim 6 wherein said screen casing forms a brace for said speaker means to prevent distortion of sound from said speaker.
Claim 18
Dependent Claim
27 words
The picture screen of claim 7 wherein said screen casing forms a brace for said casing extension to prevent distortion of the sound from said speaker means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-10-01 | 1983-04-02 | 1983-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-01 | 1987-04-02 | 1987-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-01 | 1991-04-02 | 1991-10-02 | $7700.00 | Window Closed / Lapsed |